package com.spring5.study.diy;

import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.Signature;
import org.aspectj.lang.annotation.After;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.aspectj.lang.annotation.Before;

//声明是事务
//方式三：使用注解实现aop
@Aspect//标注这个类是一个切面
public class AnnotationPointCut {

    @Before("execution(* com.spring5.study.service.UserServiceImpl.*(..))")
    public void before(){
        System.out.println("============方法执行前============");
    }

    @After("execution(* com.spring5.study.service.UserServiceImpl.*(..))")
    public void after(){
        System.out.println("============方法执行后============");
    }

    //在环绕增强中，我们可以给定一个多数，代表我们要获取处理切入的点:
    @Around("execution(* com.spring5.study.service.UserServiceImpl.*(..))")
    public void around(ProceedingJoinPoint jp) throws Throwable {
        System.out.println("环绕前");

        //获得签名
        Signature signature = jp.getSignature();
        System.out.println("signature:  "+signature);

        //执行方法
        Object proceed = jp.proceed();

        System.out.println("环绕后");
    }
}
